Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can piggy you can piggy she can piggy we can piggy you can piggy they can piggy
V-ing form
I can be piggying you can be piggying she can be piggying we can be piggying you can be piggying they can be piggying
Perfect
I can have piggied you can have piggied she can have piggied we can have piggied you can have piggied they can have piggied
V-ing perfect
I can have been piggying you can have been piggying she can have been piggying we can have been piggying you can have been piggying they can have been piggying
Negation
Simple form
I cannot piggy you cannot piggy she cannot piggy we cannot piggy you cannot piggy they cannot piggy
V-ing form
I cannot be piggying you cannot be piggying she cannot be piggying we cannot be piggying you cannot be piggying they cannot be piggying
Perfect
I cannot have piggied you cannot have piggied she cannot have piggied we cannot have piggied you cannot have piggied they cannot have piggied
V-ing perfect
I cannot have been piggying you cannot have been piggying she cannot have been piggying we cannot have been piggying you cannot have been piggying they cannot have been piggying
Interrogative form
Simple form
can I piggy? can you piggy? can she piggy? can we piggy? can you piggy? can they piggy?
V-ing form
can I be piggying? can you be piggying? can she be piggying? can we be piggying? can you be piggying? can they be piggying?
Perfect
can I have piggied? can you have piggied? can she have piggied? can we have piggied? can you have piggied? can they have piggied?
V-ing perfect
can I have been piggying? can you have been piggying? can she have been piggying? can we have been piggying? can you have been piggying? can they have been piggying?
Interro-negative form
Simple form
can I not piggy? can you not piggy? can she not piggy? can we not piggy? can you not piggy? can they not piggy?
V-ing form
can I not be piggying? can you not be piggying? can she not be piggying? can we not be piggying? can you not be piggying? can they not be piggying?
Perfect
can I not have piggied? can you not have piggied? can she not have piggied? can we not have piggied? can you not have piggied? can they not have piggied?
V-ing perfect
can I not have been piggying? can you not have been piggying? can she not have been piggying? can we not have been piggying? can you not have been piggying? can they not have been piggying?